CN113242558B - Frequency band selection method and device of hybrid link, terminal equipment and storage medium - Google Patents
Frequency band selection method and device of hybrid link, terminal equipment and storage medium Download PDFInfo
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- CN113242558B CN113242558B CN202110384272.6A CN202110384272A CN113242558B CN 113242558 B CN113242558 B CN 113242558B CN 202110384272 A CN202110384272 A CN 202110384272A CN 113242558 B CN113242558 B CN 113242558B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0092—Indication of how the channel is divided
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a frequency band selection method, a device, a terminal device and a storage medium of a hybrid link, wherein the hybrid link comprises a front-end device and a back-end device which are sequentially linked, the front-end device and the back-end device support the same preset frequency band, the front-end device divides the preset frequency band into a plurality of sub-frequency bands, the method is executed by the front-end device, and the method comprises the following steps: when the equipment is not control equipment, acquiring the working frequency band of the control equipment in the hybrid link; and if the working frequency band comprises at least one sub-frequency band, acquiring the frequency band synchronized by the back-end equipment from the control equipment, and declaring the frequency band of the equipment as the frequency band synchronized by the back-end equipment. The invention can solve the problem that the working frequency band of the back-end equipment is continuously switched and unstable because the front-end equipment splits a certain frequency band supported by the back-end equipment into a plurality of sub-frequency bands in the mixed link.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a method and an apparatus for selecting a frequency band of a hybrid link, a terminal device, and a storage medium.
Background
In a hybrid networking system, there are many types of network devices, such as devices supporting dual-band (2G and 5G) and devices supporting triple-band (2G, 5G1 and 5G4), and links formed by these network devices are called hybrid links.
In the prior art, a network device generally follows a Control AP (CAP) in a networking system to perform channel synchronization with a member device bridged at a front end thereof, but such a channel synchronization mechanism has a problem: when the back-end device and the front-end device support the same frequency band and the front-end device splits the frequency band into a plurality of sub-frequency bands, the back-end device can continuously switch in the sub-frequency bands when synchronizing the frequency band, so that a frequency band channel of the back-end device cannot be kept stable. For example, if the operating frequency bands of the control device CAP are 2G and 5G1 frequency bands, the operating frequency bands of the front-end device are 2G, 5G1, and 5G4 frequency bands, and the back-end device is a dual-band device, which supports 2G and 5G frequency bands, at this time, the back-end device synchronizes the 5G1 frequency band from the control device CAP on one hand, and synchronizes the 5G4 frequency band from the front-end device on the other hand, so that the 5G frequency band of the back-end device is switched back and forth between 5G1 and 5G4, so the existing channel synchronization mechanism can continuously switch the operating frequency bands of some member devices in the hybrid link, and cannot keep stable.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a method and an apparatus for selecting a frequency band of a hybrid link, and a storage medium, so as to solve the problem that a working frequency band of a back-end device is continuously switched and unstable due to a front-end device splitting a certain frequency band supported by the back-end device into multiple sub-frequency bands in the hybrid link.
To achieve the above object, a first embodiment of the present invention provides a method for selecting a frequency band of a hybrid link, where the hybrid link includes a front-end device and a back-end device that are sequentially linked, the front-end device and the back-end device support a same preset frequency band, and the front-end device splits the preset frequency band into multiple sub-frequency bands, and the method is performed by the front-end device, and the method includes:
when the equipment is not the control equipment, acquiring the working frequency band of the control equipment in the hybrid link;
and if the working frequency band comprises at least one sub-frequency band, acquiring the frequency band synchronized by the back-end equipment from the control equipment, and declaring the frequency band of the equipment as the frequency band synchronized by the back-end equipment.
Preferably, the method further comprises the following steps:
if the working frequency band does not comprise any sub-frequency band, the frequency band of the equipment is announced according to a preset frequency band announcement strategy of the equipment, or the frequency band of the equipment is announced according to a frequency band selection strategy of the back-end equipment.
Preferably, the method further comprises the following steps:
and when the equipment is the control equipment of the hybrid link, announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment, or announcing the frequency band of the equipment according to a frequency band selection strategy of the back-end equipment.
Preferably, the announcing the frequency band of the device according to the frequency band selection policy of the backend device specifically includes:
acquiring a frequency band selection strategy preset by the back-end equipment when the back-end equipment is synchronized with other equipment;
determining a frequency band to be synchronized from the back-end equipment according to the frequency band selection strategy;
and declaring the frequency band of the equipment as the frequency band which is synchronized from the equipment by the back-end equipment.
Preferably, the method for the device to announce the frequency band is as follows:
the corresponding band info field is added in the beacon frame of the device, so that the backend device synchronizes to the corresponding frequency band according to the band info field.
A second embodiment of the present invention provides a frequency band selection apparatus for a hybrid link, where the hybrid link includes a front-end device and a back-end device that are sequentially linked, the front-end device and the back-end device support a same preset frequency band, the front-end device splits the preset frequency band into a plurality of sub-frequency bands, and the apparatus is disposed inside the front-end device, and the apparatus includes:
a working frequency band obtaining module, configured to obtain a working frequency band of a control device in the hybrid link when the device is not a control device;
and the first declaration module is used for acquiring the frequency band synchronized by the back-end equipment from the control equipment if the working frequency band comprises at least one sub-frequency band, and declaring the frequency band of the equipment as the frequency band synchronized by the back-end equipment.
Preferably, the method further comprises the following steps:
and the second announcement module is used for announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment or announcing the frequency band of the equipment according to a frequency band selection strategy of the rear-end equipment if the working frequency band does not comprise any sub-frequency band.
Preferably, the method further comprises the following steps:
and the third announcement module is used for announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment or announcing the frequency band of the equipment according to the frequency band selection strategy of the back-end equipment when the equipment is the control equipment of the hybrid link.
A third embodiment of the present invention correspondingly provides a terminal device, which includes a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor, when executing the computer program, implements the frequency band selection method for the hybrid link according to any one of the first embodiments.
A fourth embodiment of the present invention provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, where when the computer program runs, a device in which the computer-readable storage medium is located is controlled to execute the method for selecting a frequency band of a hybrid link according to any one of the first embodiments.
Compared with the prior art, according to the frequency band selection method, the device, the terminal device and the storage medium for the hybrid link provided by the embodiments of the present invention, when the back-end device and the front-end device support the same frequency band and the front-end device splits the frequency band into multiple frequency sub-bands, in order to avoid that the back-end device can continuously switch among the frequency sub-bands when synchronizing the frequency band, it is first determined whether the control device works in the split frequency sub-bands, if so, the frequency band of the front-end device is declared as the frequency band to which the back-end device is synchronized from the control device, and if the control device does not work in the split frequency sub-bands or the front-end device is the control device, the frequency band of the front-end device is declared according to a frequency band declaration policy preset by the front-end device or according to a frequency band selection policy of the back-end device, so as to ensure that the frequency band channel of the back-end device in the hybrid link is stable.
Drawings
Fig. 1 is a flowchart illustrating a method for selecting a frequency band of a hybrid link according to an embodiment of the present invention;
fig. 2 is a schematic link diagram of a control device of a dual-band type, a front-end device of a tri-band type, and a back-end device of a dual-band type according to an embodiment of the present invention;
fig. 3 is a schematic link diagram of a control device of a tri-band type, a front-end device of a tri-band type, and a back-end device of a dual-band type according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a frequency band selection apparatus for a hybrid link according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, which is a schematic flow diagram of a frequency band selection method for a hybrid link according to the embodiment of the present invention, where the hybrid link includes a front-end device and a back-end device that are sequentially linked, the front-end device and the back-end device support a same preset frequency band, and the front-end device splits the preset frequency band into multiple sub-frequency bands, the method is executed by the front-end device, and the method includes: the method includes steps S1 to S2:
s1, when the device is not a control device, acquiring the working frequency band of the control device in the hybrid link;
and S2, if the working frequency band comprises at least one sub-frequency band, acquiring the frequency band synchronized by the back-end equipment from the control equipment, and declaring the frequency band of the equipment as the frequency band synchronized by the back-end equipment.
It should be noted that the hybrid link includes a front-end device and a back-end device that are sequentially linked, the front-end device and the back-end device support the same preset frequency band, and the front-end device splits the preset frequency band into a plurality of sub-frequency bands. For example, the front-end equipment and the back-end equipment both support all 5G frequency bands, including 5G band12 and band4, channels corresponding to band1 are 36-48, channels corresponding to band2 are 48-64, and channels corresponding to band4 are 149-165, and the front-end equipment further splits the 5G frequency band into a 5G1 frequency band (channels: 36-64) and a 5G4 frequency band (channels: 149-165). At this time, when the backend device synchronizes the 5G frequency band, the backend device switches back and forth between the 5G1 frequency band and the 5G4 frequency band, and the method is executed by the front-end device, and specifically includes the following steps:
firstly, judging whether the front-end equipment is the control equipment in the hybrid link or not, and determining different execution steps according to different judgment results.
When the equipment is not the control equipment, acquiring the working frequency band of the control equipment in the hybrid link;
if the working frequency band of the control device includes at least one sub-frequency band, that is, the control device works in the sub-frequency band, the frequency band to which the back-end device synchronizes from the control device is obtained, and the frequency band of the device is declared as the frequency band to which the back-end device synchronizes. Because the back-end device can synchronize to the sub-band from the control device and synchronize to the sub-band from the front-end device when the channels are synchronized, in order to avoid switching back and forth between different sub-bands, it is necessary to declare and limit the sub-band split by the front-end device, and pretend to be the frequency band to which the back-end device synchronizes from the control device, thereby ensuring that the frequency band synchronized by the back-end device from the device is completely the same as the frequency band synchronized by the slave control device.
To further the understanding of this embodiment of the present invention, two examples are described below, with schematic views referring to fig. 2 and 3.
In fig. 2, the front-end device supports 2G, 5G1 and 5G4 frequency bands, the operating frequency band of the control device is a 2G +5G1 frequency band or a 2G +5G4 frequency band, the back-end device supports 2G and 5G frequency bands, the frequency band to which the back-end device synchronizes from the control device is a 2G +5G1 frequency band or a 2G +5G4 frequency band, and at this time, the frequency band of the front-end device is correspondingly declared to be a 2G +5G1 frequency band or a 2G +5G4 frequency band.
In fig. 3, the front-end device supports 2G, 5G1 and 5G4 frequency bands, the operating frequency bands of the control device are 2G, 5G1 and 5G4 frequency bands, the back-end device supports 2G frequency bands and 5G frequency bands, the frequency bands to which the back-end device synchronizes from the control device are 2G frequency bands and 5G1 frequency bands, and at this time, the frequency bands of the front-end device are correspondingly declared as 2G frequency bands and 5G1 frequency bands.
It should be noted that, in the network communication link, each network device may obtain the frequency bands of other network devices and channels corresponding to the frequency bands through topology learning, for example, the operating frequency bands of the control device CAP are 2G, 5G1, and 5G4, and although the backend device is not directly linked to the control device CAP, the backend device may also obtain these information through topology learning.
The embodiment of the present invention provides a method for selecting a frequency band of a hybrid link, and declares a frequency band of a front-end device as a frequency band to which a back-end device synchronizes from a control device, so as to avoid a problem that the back-end device switches back and forth between different sub-frequency bands when the frequency bands are synchronized, and ensure that the frequency band of the back-end device in the hybrid link is stable.
As an improvement of the above scheme, the method further comprises the following steps:
if the working frequency band does not include any sub-frequency band, the frequency band of the equipment is announced according to a preset frequency band announcement strategy of the equipment, or the frequency band of the equipment is announced according to a frequency band selection strategy of the back-end equipment.
Specifically, if the operating frequency band of the control device does not include any sub-frequency band, that is, the control device does not operate in any sub-frequency band, the frequency band of the device is announced according to a preset frequency band announcement strategy of the device, or the frequency band of the device is announced according to a frequency band selection strategy of the backend device. For example: the front-end device supports 2G, 5G1 and 5G4 frequency bands, the operating frequency band of the control device is 2G +6G frequency band, and the back-end device supports 2G and 5G frequency bands, so that the operating frequency band of the control device does not include any sub-frequency band (5G1 frequency band and 5G4 frequency band).
If the frequency band of the equipment is announced according to a frequency band announcement strategy preset by the equipment, selecting a sub-frequency band which is the same as that of the front-end equipment for guiding the back-end equipment; if the frequency band of the equipment is announced according to the frequency band selection strategy of the back-end equipment, the preset selection of the back-end equipment is transferred for the front-end equipment, and the preset selection is kept consistent with the back-end equipment.
As an improvement of the above scheme, the method further comprises the following steps:
and when the equipment is the control equipment of the hybrid link, announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment, or announcing the frequency band of the equipment according to a frequency band selection strategy of the back-end equipment.
Specifically, when the device is a control device of a hybrid link, two ways of synchronization of the slave control device and synchronization of the front-end device are the same way for the back-end device, and no conflict occurs. At this time, the front-end device may announce the frequency band of the device according to a frequency band announcement policy preset by the device, or announce the frequency band of the device according to a frequency band selection policy of the back-end device, where the corresponding frequency band announcement policy is similar to that in the previous embodiment: the situation that the operating band of the control device does not include any sub-band is similar, and is not described herein again.
As an improvement of the above scheme, the announcing the frequency band of the device according to the frequency band selection policy of the backend device specifically includes:
acquiring a frequency band selection strategy preset by the back-end equipment when the back-end equipment is synchronized with other equipment;
determining a frequency band to be synchronized from the back-end equipment according to the frequency band selection strategy;
and declaring the frequency band of the equipment as the frequency band which is synchronized from the equipment by the back-end equipment.
Specifically, a frequency band selection policy preset by the backend device when synchronizing with other devices is obtained. Generally, the frequency band selection policy preset by the backend device is as follows: when the back-end device performs frequency band synchronization with other devices, if a plurality of sub-frequency bands are available for selection, the first sub-frequency band is synchronized. For example, the backend device supports a 2G band and a 5G band, but the 5G band has two selectable bands, namely a 5G1 band and a 5G4 band, and the backend device synchronizes the 5G1 band by default.
And determining the frequency band to be synchronized by the back-end equipment according to the frequency band selection strategy, and declaring the frequency band of the back-end equipment as the frequency band to be synchronized by the back-end equipment. I.e. to which frequency bands the back-end device will synchronize from the front-end device, the frequency bands of the front-end device are declared to be which frequency bands. For example, the back-end device will synchronize to the 2G band and the 5G1 band from the front-end device, and the band of the front-end device is declared as the 2G band and the 5G1 band.
As an improvement of the above scheme, the method for the device to announce the frequency band is as follows:
the corresponding band info field is added in the beacon frame of the device, so that the backend device synchronizes to the corresponding frequency band according to the band info field.
Specifically, the front-end device adds a corresponding band info field in a beacon frame of the device, so that the back-end device synchronizes to a corresponding frequency band according to the band info field. The back-end equipment can acquire the frequency band announced by the equipment according to the band info field when carrying out frequency band channel synchronization with the equipment, so that the frequency band synchronization can be realized. And the band info field is specially used for announcing information such as channels of each frequency band, and the back-end equipment can realize the following and synchronization of the channels according to the announced information in the band info field.
For example, declaring the frequency band of the device as the frequency band to which the backend device synchronizes from the control device is to add a corresponding band info field in a beacon frame of the device, and write a channel corresponding to the frequency band into the band info field. For example, the frequency band is a 5G1 frequency band, channels corresponding to the 5G1 frequency band are 36-48, the current channel value of the current device 5G1 needs to be referred to when writing the band info field, for example, if the current channel value is 36, 36 is written in the band info field.
Referring to fig. 4, which is a schematic structural diagram of a frequency band selection apparatus of a hybrid link according to the embodiment of the present invention, where the hybrid link includes a front-end device and a back-end device that are sequentially linked, the front-end device and the back-end device support a same preset frequency band, the front-end device splits the preset frequency band into multiple sub-frequency bands, and the apparatus is disposed inside the front-end device, and the apparatus includes:
a working frequency band obtaining module 11, configured to obtain a working frequency band of a control device in the hybrid link when the device is not a control device;
a first declaring module 12, configured to, if the working frequency band includes at least one of the sub-frequency bands, obtain a frequency band to which the backend device synchronizes from the control device, and declare the frequency band of the device as the frequency band to which the backend device synchronizes.
Preferably, the apparatus further comprises:
and the second announcement module is used for announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment or announcing the frequency band of the equipment according to a frequency band selection strategy of the rear-end equipment if the working frequency band does not comprise any sub-frequency band.
Preferably, the apparatus further comprises:
and the third announcement module is used for announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment or announcing the frequency band of the equipment according to the frequency band selection strategy of the back-end equipment when the equipment is the control equipment of the hybrid link.
Preferably, the announcing the frequency band of the device according to the frequency band selection policy of the backend device specifically includes:
acquiring a frequency band selection strategy preset by the back-end equipment when the back-end equipment is synchronized with other equipment;
determining a frequency band to be synchronized from the back-end equipment according to the frequency band selection strategy;
and declaring the frequency band of the equipment as the frequency band of the slave equipment synchronization of the back-end equipment.
Preferably, the method for the device to announce the frequency band is as follows:
the corresponding band info field is added in the beacon frame of the device, so that the backend device synchronizes to the corresponding frequency band according to the band info field.
The frequency band selection apparatus for a hybrid link provided in the embodiments of the present invention can implement all the processes of the frequency band selection method for a hybrid link described in any of the embodiments above, and the functions and implemented technical effects of each module and unit in the apparatus are respectively the same as those of the frequency band selection method for a hybrid link described in the embodiments above, and are not described herein again.
Referring to fig. 5, which is a schematic diagram of a terminal device provided in this embodiment of the present invention, the terminal device includes a processor 10, a memory 20, and a computer program stored in the memory 20 and configured to be executed by the processor 10, and when the processor 10 executes the computer program, the terminal device implements the frequency band selection method of the hybrid link according to any of the above embodiments.
Illustratively, the computer program may be divided into one or more modules/units, which are stored in the memory 20 and executed by the processor 10 to implement the present invention. One or more of the modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of a computer program in the selection of frequency bands for a hybrid link. For example, the computer program may be divided into an operating frequency band obtaining module and a first announcement module, and the specific functions of each module are as follows:
a working frequency band obtaining module 11, configured to obtain a working frequency band of a control device in the hybrid link when the device is not a control device;
a first declaring module 12, configured to, if the working frequency band includes at least one of the sub-frequency bands, obtain a frequency band to which the backend device synchronizes from the control device, and declare the frequency band of the device as the frequency band to which the backend device synchronizes.
The terminal device can be a desktop computer, a notebook, a palm computer, a cloud server and other computing devices. The terminal device may include, but is not limited to, a processor, a memory. It will be understood by those skilled in the art that the schematic diagram 5 is merely an example of a terminal device, and is not intended to limit the terminal device, and may include more or less components than those shown, or some components may be combined, or different components, for example, the terminal device may further include an input-output device, a network access device, a bus, etc.
The Processor 10 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor 10 may be any conventional processor or the like, the processor 10 being the control center of the terminal device and connecting the various parts of the whole terminal device with various interfaces and lines.
The memory 20 may be used to store the computer programs and/or modules, and the processor 10 implements various functions of the terminal device by running or executing the computer programs and/or modules stored in the memory 20 and calling data stored in the memory 20. The memory 20 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory 20 may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the module integrated with the terminal device can be stored in a computer readable storage medium if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium and can implement the steps of the embodiments of the method when the computer program is executed by a processor. The computer program includes computer program code, and the computer program code may be in a source code form, an object code form, an executable file or some intermediate form. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
The embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, a device in which the computer-readable storage medium is located is controlled to execute the method for selecting a frequency band of a hybrid link according to any one of the above embodiments.
To sum up, in the frequency band selection method, apparatus, terminal device and storage medium for a hybrid link provided in the embodiments of the present invention, when a back-end device and a front-end device support the same frequency band and the front-end device splits the frequency band into multiple frequency sub-bands, in order to avoid that the back-end device will continuously switch among the frequency sub-bands when synchronizing the frequency band, it is first determined whether a control device operates in the split frequency sub-bands, if so, the frequency band of the front-end device is declared as the frequency band synchronized by the back-end device from the control device, and if the control device does not operate in the split frequency sub-bands or the front-end device is the control device, the frequency band of the front-end device is declared according to a frequency band declaration policy preset by the front-end device or according to a frequency band selection policy of the back-end device, thereby ensuring that a frequency band channel of the back-end device in the hybrid link is stable. The invention is particularly suitable for the shipped dual-frequency equipment, when the dual-frequency equipment synchronizes channels with the three-frequency equipment, the 5G channel of the dual-frequency equipment can be switched back and forth on the 5G1 frequency band and the 5G4 frequency band, and the dual-frequency camouflage is carried out on the three-frequency equipment, so that the shipped dual-frequency equipment 5G frequency band can be kept stable, and the back and forth switching is avoided.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A frequency band selection method of a hybrid link is characterized in that the hybrid link comprises a front-end device and a back-end device which are sequentially linked, the front-end device and the back-end device support the same preset frequency band, the front-end device splits the preset frequency band into a plurality of sub-frequency bands, the method is executed by the front-end device, and the method comprises the following steps:
when the equipment is not the control equipment, acquiring the working frequency band of the control equipment in the hybrid link;
and if the working frequency band comprises at least one sub-frequency band, acquiring the frequency band synchronized by the back-end equipment from the control equipment, and declaring the frequency band of the equipment as the frequency band synchronized by the back-end equipment.
2. The method for selecting a frequency band for a hybrid link according to claim 1, further comprising:
if the working frequency band does not include any sub-frequency band, the frequency band of the equipment is announced according to a preset frequency band announcement strategy of the equipment, or the frequency band of the equipment is announced according to a frequency band selection strategy of the back-end equipment.
3. The method for selecting a frequency band for a hybrid link according to claim 1, further comprising:
and when the equipment is the control equipment of the hybrid link, announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment, or announcing the frequency band of the equipment according to a frequency band selection strategy of the back-end equipment.
4. The method for selecting a frequency band of a hybrid link according to claim 2 or 3, wherein the announcing the frequency band of the device according to the frequency band selection policy of the backend device specifically includes:
acquiring a frequency band selection strategy preset by the back-end equipment when the back-end equipment is synchronized with other equipment;
determining a frequency band to be synchronized from the back-end equipment according to the frequency band selection strategy;
and declaring the frequency band of the equipment as the frequency band which is synchronized from the equipment by the back-end equipment.
5. The method for selecting a band of a hybrid link according to claim 1, wherein the method for the device to announce the band is as follows:
the corresponding band info field is added in the beacon frame of the device, so that the backend device synchronizes to the corresponding frequency band according to the band info field.
6. The utility model provides a frequency channel selection device of hybrid link, its characterized in that, hybrid link is including the front end equipment and the back end equipment that link gradually, the front end equipment with back end equipment supports same predetermined frequency channel, just the front end equipment will predetermine the frequency channel split and be a plurality of sub-bands, the device sets up inside the front end equipment, the device includes:
a working frequency band obtaining module, configured to obtain a working frequency band of a control device in the hybrid link when the device is not a control device;
and the first declaration module is used for acquiring the frequency band synchronized by the back-end equipment from the control equipment if the working frequency band comprises at least one sub-frequency band, and declaring the frequency band of the equipment as the frequency band synchronized by the back-end equipment.
7. The apparatus for selecting a frequency band for a hybrid link according to claim 6, further comprising:
and the second announcement module is used for announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment or announcing the frequency band of the equipment according to a frequency band selection strategy of the rear-end equipment if the working frequency band does not comprise any sub-frequency band.
8. The apparatus for selecting a frequency band for a hybrid link according to claim 6, further comprising:
and the third announcement module is used for announcing the frequency band of the equipment according to a preset frequency band announcement strategy of the equipment or announcing the frequency band of the equipment according to the frequency band selection strategy of the back-end equipment when the equipment is the control equipment of the hybrid link.
9. A terminal device comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the method of band selection for a hybrid link according to any one of claims 1 to 5 when executing the computer program.
10. A computer-readable storage medium, comprising a stored computer program, wherein when the computer program runs, the computer-readable storage medium controls a device to execute the method for selecting a frequency band of a hybrid link according to any one of claims 1 to 5.
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| CN107148035A (en) * | 2017-05-25 | 2017-09-08 | 普联技术有限公司 | Method, device and the wireless device of Frequency Band Selection |
| WO2018130080A1 (en) * | 2017-01-10 | 2018-07-19 | 青岛海信移动通信技术股份有限公司 | Wifi data transmission method, device and terminal device |
| CN111010719A (en) * | 2019-12-23 | 2020-04-14 | 厦门安胜网络科技有限公司 | WiFi soft switching method and device used between wireless access points |
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| WO2019183760A1 (en) * | 2018-03-26 | 2019-10-03 | 华为技术有限公司 | Data processing method and terminal |
| US10757561B2 (en) * | 2019-03-29 | 2020-08-25 | Intel Corporation | Wi-Fi docking in dense environment |
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| WO2018130080A1 (en) * | 2017-01-10 | 2018-07-19 | 青岛海信移动通信技术股份有限公司 | Wifi data transmission method, device and terminal device |
| CN107148035A (en) * | 2017-05-25 | 2017-09-08 | 普联技术有限公司 | Method, device and the wireless device of Frequency Band Selection |
| CN111010719A (en) * | 2019-12-23 | 2020-04-14 | 厦门安胜网络科技有限公司 | WiFi soft switching method and device used between wireless access points |
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